402012231110 has 32 divisors (see below), whose sum is σ = 835025697792. Its totient is φ = 136494580320.

The previous prime is 402012231073. The next prime is 402012231119. The reversal of 402012231110 is 11132210204.

It is a super-2 number, since 2×402012231110² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402012231119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27871586 + ... + 27886005.

It is an arithmetic number, because the mean of its divisors is an integer number (26094553056).

Almost surely, 2^402012231110 is an apocalyptic number.

402012231110 is an abundant number, since it is smaller than the sum of its proper divisors (433013466682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402012231110 is a wasteful number, since it uses less digits than its factorization.

402012231110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55757708.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 402012231110 its reverse (11132210204), we get a palindrome (413144441314).

The spelling of 402012231110 in words is "four hundred two billion, twelve million, two hundred thirty-one thousand, one hundred ten".